Home / 17,508,757.80-26,211,815.10-12,469,909.80

Finding the Fourth Proportional to 17,508,757.80, 26,211,815.10 and 12,469,909.80

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Solution

The fourth proportional to 17,508,757.80, 26,211,815.10 and 12,469,909.80 is: 18,668,312.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,508,757.80 : 26,211,815.10 = 12,469,909.80 : x
  2. Step 2: Convert to fraction form
    17,508,757.80/26,211,815.10 = 12,469,909.80/x
  3. Step 3: Cross multiply
    17,508,757.80x = 26,211,815.10 × 12,469,909.80
  4. Step 4: Simplify right side
    17,508,757.80x = 326,858,969,991,278
  5. Step 5: Solve for x
    x = 326,858,969,991,278/17,508,757.80
  6. Step 6: Final answer
    x = 18,668,312.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.